radeon_driver.c

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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c,v 1.117 2004/02/19 22:38:12 tsi Exp $ */
/* $XdotOrg: driver/xf86-video-ati/src/radeon_driver.c,v 1.116 2006/04/29 21:30:23 daenzer Exp $ */
/*
 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
 *                VA Linux Systems Inc., Fremont, California.
 *
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation on the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NON-INFRINGEMENT.  IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
 * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

/*
 * Authors:
 *   Kevin E. Martin <[e-mail]>
 *   Rickard E. Faith <[e-mail]>
 *   Alan Hourihane <[e-mail]>
 *
 * Credits:
 *
 *   Thanks to Ani Joshi <[e-mail]> for providing source
 *   code to his Radeon driver.  Portions of this file are based on the
 *   initialization code for that driver.
 *
 * References:
 *
 * !!!! FIXME !!!!
 *   RAGE 128 VR/ RAGE 128 GL Register Reference Manual (Technical
 *   Reference Manual P/N RRG-G04100-C Rev. 0.04), ATI Technologies: April
 *   1999.
 *
 *   RAGE 128 Software Development Manual (Technical Reference Manual P/N
 *   SDK-G04000 Rev. 0.01), ATI Technologies: June 1999.
 *
 * This server does not yet support these XFree86 4.0 features:
 * !!!! FIXME !!!!
 *   DDC1 & DDC2
 *   shadowfb (Note: dri uses shadowfb for another purpose in radeon_dri.c)
 *   overlay planes
 *
 * Modified by Marc Aurele La France ([e-mail]) for ATI driver merge.
 *
 * Mergedfb and pseudo xinerama support added by Alex Deucher ([e-mail])
 * based on the sis driver by Thomas Winischhofer.
 *
 */

#include <string.h>
#include <stdio.h>

				/* Driver data structures */
#include "radeon.h"
#include "radeon_reg.h"
#include "radeon_macros.h"
#include "radeon_probe.h"
#include "radeon_version.h"
#include "radeon_mergedfb.h"

#ifdef XF86DRI
#define _XF86DRI_SERVER_
#include "radeon_dri.h"
#include "radeon_sarea.h"
#include "sarea.h"
#endif

#include "fb.h"

				/* colormap initialization */
#include "micmap.h"
#include "dixstruct.h"

				/* X and server generic header files */
#include "xf86.h"
#include "xf86_ansic.h"		/* For xf86getsecs() */
#include "xf86_OSproc.h"
#include "xf86RAC.h"
#include "xf86Resources.h"
#include "xf86cmap.h"
#include "vbe.h"

				/* fbdevhw * vgaHW definitions */
#ifdef WITH_VGAHW
#include "vgaHW.h"
#endif
#include "fbdevhw.h"

#define DPMS_SERVER
#include <X11/extensions/dpms.h>

#include "atipciids.h"
#include "radeon_chipset.h"

#ifndef MAX
#define MAX(a,b) ((a)>(b)?(a):(b))
#endif
#ifndef MIN
#define MIN(a,b) ((a)>(b)?(b):(a))
#endif

				/* Forward definitions for driver functions */
static Bool RADEONCloseScreen(int scrnIndex, ScreenPtr pScreen);
static Bool RADEONSaveScreen(ScreenPtr pScreen, int mode);
static void RADEONSave(ScrnInfoPtr pScrn);
static void RADEONRestore(ScrnInfoPtr pScrn);
static Bool RADEONModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode);
static void RADEONDisplayPowerManagementSet(ScrnInfoPtr pScrn,
					    int PowerManagementMode,
					    int flags);
static void RADEONInitDispBandwidth(ScrnInfoPtr pScrn);

static void RADEONGetMergedFBOptions(ScrnInfoPtr pScrn);
static int RADEONValidateMergeModes(ScrnInfoPtr pScrn);
static void RADEONSetDynamicClock(ScrnInfoPtr pScrn, int mode);
static void RADEONForceSomeClocks(ScrnInfoPtr pScrn);
static void RADEONUpdatePanelSize(ScrnInfoPtr pScrn);
static void RADEONSaveMemMapRegisters(ScrnInfoPtr pScrn, RADEONSavePtr save);

#ifdef XF86DRI
static void RADEONAdjustMemMapRegisters(ScrnInfoPtr pScrn, RADEONSavePtr save);
#endif

/* psuedo xinerama support */

extern Bool 		RADEONnoPanoramiXExtension;

static const OptionInfoRec RADEONOptions[] = {
    { OPTION_NOACCEL,        "NoAccel",          OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_SW_CURSOR,      "SWcursor",         OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_DAC_6BIT,       "Dac6Bit",          OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_DAC_8BIT,       "Dac8Bit",          OPTV_BOOLEAN, {0}, TRUE  },
#ifdef XF86DRI
    { OPTION_BUS_TYPE,       "BusType",          OPTV_ANYSTR,  {0}, FALSE },
    { OPTION_CP_PIO,         "CPPIOMode",        OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_USEC_TIMEOUT,   "CPusecTimeout",    OPTV_INTEGER, {0}, FALSE },
    { OPTION_AGP_MODE,       "AGPMode",          OPTV_INTEGER, {0}, FALSE },
    { OPTION_AGP_FW,         "AGPFastWrite",     OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_GART_SIZE_OLD,  "AGPSize",          OPTV_INTEGER, {0}, FALSE },
    { OPTION_GART_SIZE,      "GARTSize",         OPTV_INTEGER, {0}, FALSE },
    { OPTION_RING_SIZE,      "RingSize",         OPTV_INTEGER, {0}, FALSE },
    { OPTION_BUFFER_SIZE,    "BufferSize",       OPTV_INTEGER, {0}, FALSE },
    { OPTION_DEPTH_MOVE,     "EnableDepthMoves", OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_PAGE_FLIP,      "EnablePageFlip",   OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_NO_BACKBUFFER,  "NoBackBuffer",     OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_XV_DMA,         "DMAForXv",         OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_FBTEX_PERCENT,  "FBTexPercent",     OPTV_INTEGER, {0}, FALSE },
    { OPTION_DEPTH_BITS,     "DepthBits",        OPTV_INTEGER, {0}, FALSE },
#ifdef USE_EXA
    { OPTION_ACCEL_DFS,      "AccelDFS",         OPTV_BOOLEAN, {0}, FALSE },
#endif
#endif
    { OPTION_PANEL_OFF,      "PanelOff",         OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_DDC_MODE,       "DDCMode",          OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_MONITOR_LAYOUT, "MonitorLayout",    OPTV_ANYSTR,  {0}, FALSE },
    { OPTION_IGNORE_EDID,    "IgnoreEDID",       OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_FBDEV,          "UseFBDev",         OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_MERGEDFB,	     "MergedFB",      	 OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_CRT2HSYNC,	     "CRT2HSync",        OPTV_ANYSTR,  {0}, FALSE },
    { OPTION_CRT2VREFRESH,   "CRT2VRefresh",     OPTV_ANYSTR,  {0}, FALSE },
    { OPTION_CRT2POS,        "CRT2Position",	 OPTV_ANYSTR,  {0}, FALSE },
    { OPTION_METAMODES,      "MetaModes",        OPTV_ANYSTR,  {0}, FALSE },
    { OPTION_MERGEDDPI,	     "MergedDPI", 	 OPTV_ANYSTR,  {0}, FALSE },
    { OPTION_RADEONXINERAMA, "MergedXinerama", OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_CRT2ISSCRN0,    "MergedXineramaCRT2IsScreen0", OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_MERGEDFBNONRECT, "MergedNonRectangular", OPTV_BOOLEAN,   {0}, FALSE },
    { OPTION_MERGEDFBMOUSER,  "MergedMouseRestriction", OPTV_BOOLEAN,   {0}, FALSE },
    { OPTION_DISP_PRIORITY,  "DisplayPriority",  OPTV_ANYSTR,  {0}, FALSE },
    { OPTION_PANEL_SIZE,     "PanelSize",        OPTV_ANYSTR,  {0}, FALSE },
    { OPTION_MIN_DOTCLOCK,   "ForceMinDotClock", OPTV_FREQ,    {0}, FALSE },
    { OPTION_COLOR_TILING,   "ColorTiling",      OPTV_BOOLEAN, {0}, FALSE },
#ifdef XvExtension
    { OPTION_VIDEO_KEY,                   "VideoKey",                 OPTV_INTEGER, {0}, FALSE },
    { OPTION_RAGE_THEATRE_CRYSTAL,        "RageTheatreCrystal",       OPTV_INTEGER, {0}, FALSE },
    { OPTION_RAGE_THEATRE_TUNER_PORT,     "RageTheatreTunerPort",     OPTV_INTEGER, {0}, FALSE },
    { OPTION_RAGE_THEATRE_COMPOSITE_PORT, "RageTheatreCompositePort", OPTV_INTEGER, {0}, FALSE },
    { OPTION_RAGE_THEATRE_SVIDEO_PORT,    "RageTheatreSVideoPort",    OPTV_INTEGER, {0}, FALSE },
    { OPTION_TUNER_TYPE,                  "TunerType",                OPTV_INTEGER, {0}, FALSE },
	{ OPTION_RAGE_THEATRE_MICROC_PATH,	"RageTheatreMicrocPath",	 OPTV_STRING, {0}, FALSE },
	{ OPTION_RAGE_THEATRE_MICROC_TYPE, 	"RageTheatreMicrocType",	 OPTV_STRING, {0}, FALSE },
#endif
#ifdef RENDER
    { OPTION_RENDER_ACCEL,   "RenderAccel",      OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_SUBPIXEL_ORDER, "SubPixelOrder",    OPTV_ANYSTR,  {0}, FALSE },
#endif
    { OPTION_SHOWCACHE,      "ShowCache",        OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_DYNAMIC_CLOCKS, "DynamicClocks",    OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_BIOS_HOTKEYS,   "BIOSHotkeys",      OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_VGA_ACCESS,     "VGAAccess",        OPTV_BOOLEAN, {0}, TRUE  },
    { OPTION_REVERSE_DDC,    "ReverseDDC",       OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_LVDS_PROBE_PLL, "LVDSProbePLL",     OPTV_BOOLEAN, {0}, FALSE },
    { OPTION_ACCELMETHOD,    "AccelMethod",      OPTV_STRING,  {0}, FALSE },
    { OPTION_CONSTANTDPI,    "ConstantDPI",	 OPTV_BOOLEAN,	{0}, FALSE },
    { -1,                    NULL,               OPTV_NONE,    {0}, FALSE }
};

_X_EXPORT const OptionInfoRec *RADEONOptionsWeak(void) { return RADEONOptions; }

#ifdef WITH_VGAHW
static const char *vgahwSymbols[] = {
    "vgaHWFreeHWRec",
    "vgaHWGetHWRec",
    "vgaHWGetIndex",
    "vgaHWLock",
    "vgaHWRestore",
    "vgaHWSave",
    "vgaHWUnlock",
    "vgaHWGetIOBase",
    NULL
};
#endif

static const char *fbdevHWSymbols[] = {
    "fbdevHWInit",
    "fbdevHWUseBuildinMode",

    "fbdevHWGetVidmem",

    "fbdevHWDPMSSet",

    /* colormap */
    "fbdevHWLoadPalette",
    /* ScrnInfo hooks */
    "fbdevHWAdjustFrame",
    "fbdevHWEnterVT",
    "fbdevHWLeaveVT",
    "fbdevHWModeInit",
    "fbdevHWRestore",
    "fbdevHWSave",
    "fbdevHWSwitchMode",
    "fbdevHWValidModeWeak",

    "fbdevHWMapMMIO",
    "fbdevHWMapVidmem",
    "fbdevHWUnmapMMIO",
    "fbdevHWUnmapVidmem",

    NULL
};

static const char *ddcSymbols[] = {
    "xf86PrintEDID",
    "xf86DoEDID_DDC1",
    "xf86DoEDID_DDC2",
    NULL
};

static const char *fbSymbols[] = {
    "fbScreenInit",
    "fbPictureInit",
    NULL
};


#ifdef USE_EXA
static const char *exaSymbols[] = {
    "exaDriverAlloc",
    "exaDriverInit",
    "exaDriverFini",
    "exaOffscreenAlloc",
    "exaOffscreenFree",
    "exaGetPixmapOffset",
    "exaGetPixmapPitch",
    "exaGetPixmapSize",
    "exaMarkSync",
    "exaWaitSync",
    NULL
};
#endif /* USE_EXA */

#ifdef USE_XAA
static const char *xaaSymbols[] = {
    "XAACreateInfoRec",
    "XAADestroyInfoRec",
    "XAAInit",
    NULL
};
#endif /* USE_XAA */

#if 0
static const char *xf8_32bppSymbols[] = {
    "xf86Overlay8Plus32Init",
    NULL
};
#endif

static const char *ramdacSymbols[] = {
    "xf86CreateCursorInfoRec",
    "xf86DestroyCursorInfoRec",
    "xf86ForceHWCursor",
    "xf86InitCursor",
    NULL
};

#ifdef XF86DRI
static const char *drmSymbols[] = {
    "drmGetInterruptFromBusID",
    "drmCtlInstHandler",
    "drmCtlUninstHandler",
    "drmAddBufs",
    "drmAddMap",
    "drmAgpAcquire",
    "drmAgpAlloc",
    "drmAgpBase",
    "drmAgpBind",
    "drmAgpDeviceId",
    "drmAgpEnable",
    "drmAgpFree",
    "drmAgpGetMode",
    "drmAgpRelease",
    "drmAgpUnbind",
    "drmAgpVendorId",
    "drmCommandNone",
    "drmCommandRead",
    "drmCommandWrite",
    "drmCommandWriteRead",
    "drmDMA",
    "drmFreeVersion",
    "drmGetLibVersion",
    "drmGetVersion",
    "drmMap",
    "drmMapBufs",
    "drmRadeonCleanupCP",
    "drmRadeonClear",
    "drmRadeonFlushIndirectBuffer",
    "drmRadeonInitCP",
    "drmRadeonResetCP",
    "drmRadeonStartCP",
    "drmRadeonStopCP",
    "drmRadeonWaitForIdleCP",
    "drmScatterGatherAlloc",
    "drmScatterGatherFree",
    "drmUnmap",
    "drmUnmapBufs",
    NULL
};

static const char *driSymbols[] = {
    "DRICloseScreen",
    "DRICreateInfoRec",
    "DRIDestroyInfoRec",
    "DRIFinishScreenInit",
    "DRIGetContext",
    "DRIGetDeviceInfo",
    "DRIGetSAREAPrivate",
    "DRILock",
    "DRIQueryVersion",
    "DRIScreenInit",
    "DRIUnlock",
    "GlxSetVisualConfigs",
    "DRICreatePCIBusID",
    NULL
};

static const char *driShadowFBSymbols[] = {
    "ShadowFBInit",
    NULL
};
#endif

static const char *vbeSymbols[] = {
    "VBEInit",
    "vbeDoEDID",
    NULL
};

static const char *int10Symbols[] = {
    "xf86InitInt10",
    "xf86FreeInt10",
    "xf86int10Addr",
    "xf86ExecX86int10",
    NULL
};

static const char *i2cSymbols[] = {
    "xf86CreateI2CBusRec",
    "xf86I2CBusInit",
    NULL
};

void RADEONLoaderRefSymLists(void)
{
    /*
     * Tell the loader about symbols from other modules that this module might
     * refer to.
     */
    xf86LoaderRefSymLists(
#ifdef WITH_VGAHW
			  vgahwSymbols,
#endif
			  fbSymbols,
#ifdef USE_EXA
			  exaSymbols,
#endif